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math/arpack,
Library of subroutines to solve eigenvalue problems
Branch: CURRENT,
Version: 96nb1,
Package name: arpack96nb1,
Maintainer: jwbaconARPACK is a collection of Fortran77 subroutines designed to solve large
scale eigenvalue problems.
The package is designed to compute a few eigenvalues and corresponding
eigenvectors of a general n by n matrix A. It is most appropriate for large
sparse or structured matrices A where structured means that a matrixvector
product w < Av requires order n rather than the usual order n**2 floating
point operations. This software is based upon an algorithmic variant of the
Arnoldi process called the Implicitly Restarted Arnoldi Method (IRAM). When
the matrix A is symmetric it reduces to a variant of the Lanczos process
called the Implicitly Restarted Lanczos Method (IRLM). These variants may be
viewed as a synthesis of the Arnoldi/Lanczos process with the Implicitly
Shifted QR technique that is suitable for large scale problems. For many
standard problems, a matrix factorization is not required. Only the action
of the matrix on a vector is needed. ARPACK software is capable of solving
large scale symmetric, nonsymmetric, and generalized eigenproblems from
significant application areas. The software is designed to compute a few (k)
eigenvalues with user specified features such as those of largest real part
or largest magnitude. Storage requirements are on the order of n*k locations.
No auxiliary storage is required. A set of Schur basis vectors for the desired
kdimensional eigenspace is computed which is numerically orthogonal to working
precision. Numerically accurate eigenvectors are available on request.
Important Features:
o Reverse Communication Interface.
o Single and Double Precision Real Arithmetic Versions for Symmetric,
Nonsymmetric, Standard or Generalized Problems.
o Single and Double Precision Complex Arithmetic Versions for Standard
or Generalized Problems.
o Routines for Banded Matrices  Standard or Generalized Problems.
o Routines for The Singular Value Decomposition.
o Example driver routines that may be used as templates to implement
numerous ShiftInvert strategies for all problem types, data types
and precision.
Required to run:[
lang/g95]
Required to build:[
devel/libtoolfortran] [
pkgtools/cwrappers]
Master sites:
SHA1: 3f91de2b39b484bc8365f8048c9eb109e0306e1c
RMD160: 3d1c1c307223961506066f895b7ab291861e73fe
Filesize: 621.938 KB
Version history: (Expand)
 (20160326) Updated to version: arpack96nb1
 (20120529) Package added to pkgsrc.se, version arpack96 (created)
CVS history: (Expand)
20170209 07:06:25 by Min Sik Kim  Files touched by this commit (2)  
Log message:
Correct the default value of BUILDLINK_DEPMETHOD.arpack
Since arpack installs a dynamic library, its BUILDLINK_DEPMETHOD
shouldn't be set to "build" by default.
Bump PKGREVISION of octave for its runtime dependency change.

20160325 22:08:09 by Joerg Sonnenberger  Files touched by this commit (3) 
Log message:
Libtoolize to provide shared libraries. Fixes parallel build as side
effect. Bump revision.

20151104 00:33:46 by Alistair G. Crooks  Files touched by this commit (262) 
Log message:
Add SHA512 digests for distfiles for math category
Problems found locating distfiles:
Package dfftpack: missing distfile dfftpack20001209.tar.gz
Package eispack: missing distfile eispack20001130.tar.gz
Package fftpack: missing distfile fftpack20001130.tar.gz
Package linpack: missing distfile linpack20010510.tar.gz
Package minpack: missing distfile minpack20001130.tar.gz
Package odepack: missing distfile odepack20001130.tar.gz
Package pynetworkx: missing distfile networkx1.10.tar.gz
Package pysympy: missing distfile sympy0.7.6.1.tar.gz
Package quadpack: missing distfile quadpack20001130.tar.gz
Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden). All existing
SHA1 digests retained for now as an audit trail.

20141016 00:06:23 by Joerg Sonnenberger  Files touched by this commit (1) 
Log message:
Racy build.

20130408 20:29:42 by Aleksej Saushev  Files touched by this commit (14) 
Log message:
Revert pkglintinduced nonsense.

20130407 22:49:45 by Blue Rats  Files touched by this commit (91) 
Log message:
Edited DESCR in the case of:
File too long (should be no more than 24 lines).
Line too long (should be no more than 80 characters).
Trailing empty lines.
Trailing whitespace.
Trucated the long files as best as possible while preserving the most info
contained in them.

20130406 15:46:36 by Blue Rats  Files touched by this commit (30) 
Log message:
"This line belongs inside the .ifdef block."

20120912 01:04:36 by Aleksej Saushev  Files touched by this commit (180) 
Log message:
"userdestdir" is default these days
